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From 40960f63616f62c8ac52eeeddf68bdb441b8be3e Mon Sep 17 00:00:00 2001
From: Michal Gorny <mgorny@gentoo.org>
Date: Tue, 4 Oct 2016 06:09:14 +0000
Subject: [PATCH] [cmake] Use separate doctrees to prevent races between Sphinx
instances
Use separate doctrees between different Sphinx builders in order to
prevent race condition issues due to multiple Sphinx instances accessing
the same doctree cache in parallel.
Bug: https://llvm.org/bugs/show_bug.cgi?id=23781
Differential Revision: https://reviews.llvm.org/D23755
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283188 91177308-0d34-0410-b5e6-96231b3b80d8
---
cmake/modules/AddSphinxTarget.cmake | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cmake/modules/AddSphinxTarget.cmake b/cmake/modules/AddSphinxTarget.cmake
index a968555aa06..ca9f4c38ffd 100644
--- a/cmake/modules/AddSphinxTarget.cmake
+++ b/cmake/modules/AddSphinxTarget.cmake
@@ -6,7 +6,7 @@
# ``project`` should be the project name
function (add_sphinx_target builder project)
set(SPHINX_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/${builder}")
- set(SPHINX_DOC_TREE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_doctrees")
+ set(SPHINX_DOC_TREE_DIR "${CMAKE_CURRENT_BINARY_DIR}/_doctrees-${builder}")
set(SPHINX_TARGET_NAME docs-${project}-${builder})
if (SPHINX_WARNINGS_AS_ERRORS)
--
2.11.0
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